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Long range weather forecast

This long range forecast for the UK is updated once a month. Using the latest long range data from the NCEP and then run through custom software here at Netweather it is on the cutting edge of technology for long range weather forecasting. It is important to bear in mind that forecasting at this range is still in its infancy so can effectively be considered experimental.

Spring and into Summer 2015

Updated April 15th 2015
We've seen a lot of settled and milder than average weather during the first part of Spring, but will that continue through towards the Summer?

For a forecast for the next 4 weeks, please take a look at the monthly forecast.

May
May's forecast is not currently being dominated by any one clear set of signals. Slightly lower than average pressure across the southern half of the UK and parts of Europe, along with slightly higher than average pressure to the north of the British Isles is being forecast at this stage though. This would lead to a wetter than average month for much of the country, but closer to average across the northern half of Scotland and potentially also in the far south of England, with some sizeable local variation possible. Temperatures are currently forecast to be close to or slightly milder than average.

May Air Pressure
May Air Pressure
May Rainfall
Long range weather forecast
May Temperature
April Temperature

June
Confidence is lower than usual at this stage, but slightly higher than average pressure is forecast to cover the southern half of the UK, with close to average pressure further north. A stronger higher than average pressure anomaly is shown over Scandinavia and also over the Azores. On the ground this currently equates to a warmer than average month with rainfall close to the seasonal norm.

June Air Pressure
June Air Pressure
June Rainfall
June Rainfall
June Temperature
June Temperature

July
At this point confidence is very low. The current forecast does suggest that lower than average pressure will be the driver during July though, so a wetter than average month could be expected should this play out.

July Air Pressure
July Air Pressure

Next Update To This Forecast Mid May

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The long range weather forecast displayed on this page is based on data from the Climate Forecast System from the NCEP (USA), run out to 9 months in advance and are updated once a month. The raw data is sent daily to Netweather, our systems then average and further process that data to produce the forecast you see below. The average figures you see on the forecast are not the standard 1971 to 2000 figures you may often see, instead they are rolling averages, currently from the period 1980-2008.

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